是紧急的it: it2 pron. (sing. Nom. ...urgent: adj. 1.紧急的,迫切的。 2.催促的,硬要的,极力 ...that: pron. (pl. those ) 1.〔指示代名词〕 ...be urgent: 急件的;紧急的is this urgent: 急件吗下载手机词典可随时随地查词查翻译